东莞市天成热敏电阻有限公司、PTC热敏电阻、陶瓷发热体

Drink heater/ boiler

Use:

Drink heater is used to boil or maintain temperature of drink, such as coffee, tea, wine, distilled spirit, milk, or beer and so on, for getting fit temperature.

Classify:

1.Classify by heating elements.

Type	Specialty	Excellence	shortcoming	Others
PTC self- controlled heater	The temperature can be controlled by PTC itself.	Long life, electricity is no problem without drink	Lower power	Used in small one, or in temperature maintaining
Heating tube	Wire is insulated and put in a tube in various shape	Power can be very large	Short life, insulation is not reliable, electricity is inhibitive without drink, need control circuit
Casting Al heating plate	Cast the heating wire in aluminum plate	Large power	electricity is inhibitive without drink, high cost

2.Classify by structure for PTC heating.

Type	Specialty	Excellence	shortcoming	Others
Bottom heater	Heater is assembled at bottom of the pot	Easy to clean, simple structure, equal heating	Low power, high energy consuming	For lower power
Immerging heater	Heater is Immerged in drink	Large power, energy saving	Complex structure, not equal drink’s temperature	For larger power

3.Classify by temperature of drink.

1）Boiling type. The drink need to be boiled。
2）Temperature maintaining type. Maintain the drink a fit temperature, for getting good taste.

Notice for manufacturer and consumer:

     PTC as heating element, it fits for high safety, slap-up product. Using to maintain temperature of drink is very excellent and also low cost. If PTC is used as boiling heater, the cost is slightly high.
     The power can be lower itself if temperature of drink is higher. So it can save energy.
     For getting higher power, let drink flowing or convection, ensure compact assembling, and using high heat-conducting materials such as copper or aluminum. The power density is about 6W /cm2（at 25℃ water）for immerging heater; and 2~5W /cm2 for bottom heater. The higher temperature is the drink, the lower is the power.

Heating time for water;

Bulk	Weight of aluminum pot	Initial temperature of water	Final temperature of water	Heating power	Heating efficiency	Time to reach final temperature
200L	150g	25℃	100℃	200W	80%	7.6min
200L	150g	25℃	100℃	500W	80%	3.0min
500L	300g	25℃	100℃	500W	80%	7.4min
500L	300g	25℃	100℃	800W	85%	4.4min
500L	300g	25℃	50℃	300W	85%	3.9min

Power is 10% smaller on 110V than on 220V for the same PTC heater.

PTC self-controlled heater:

Our company can supply PTC heater with shell, consist of aluminum or copper, bottom heater type or immerging heater type. Various coating, such as Teflon, ceramic paint, or oxygenation on surface of shell is possible. We also supply PTC heater with insulating film, or PTC heating pellet. But for getting high power, the PTC heater with shell is commended firstly. Electric power of one part is between 20~1000W, and parallel several parts can be used for larger power.